Penta-acetyl
[医] 五乙酰基
🧩 词语组成解析
[美口]五角大楼, 美国国防部
n. 乙酰(基)\\n[化] 乙酰; 乙酰基
🗣️ 情景例句
I would rather stay at home than go out.
我宁可呆在家里，不想出去。
What''s the cause of the delay?
什么原因延误？
It is disturbing to think that a dangerous wild animal is still at large in the quiet countryside.
想到在宁静的乡村里有一头危险的野兽继续逍遥流窜，真令人担心。